/*

 * sysdep.h	Header file for the really system dependant routines

 *		in sysdep1.c and sysdep2.c. Because of this, the

 *		header file "port.h" is not used when "sysdep.h" is

 *		included. This file is only included from sysdep[12].c

 *		anyway!

 *

 *		$Id: sysdep.h,v 1.6 2008-03-21 20:27:56 al-guest Exp $

 *

 *		This file is part of the minicom communications package,

 *		Copyright 1991-1995 Miquel van Smoorenburg.

 *

 *		This program is free software; you can redistribute it and/or

 *		modify it under the terms of the GNU General Public License

 *		as published by the Free Software Foundation; either version

 *		2 of the License, or (at your option) any later version.

 *

 *  You should have received a copy of the GNU General Public License along

 *  with this program; if not, write to the Free Software Foundation, Inc.,

 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */

#ifdef HAVE_FEATURES_H

#include <features.h>

#endif

#include <sys/types.h>

/* Include standard Posix header files. */

#ifdef HAVE_UNISTD_H

#  include <stdlib.h>

#  include <unistd.h>

#endif

#ifdef HAVE_SYS_WAIT_H /* coherent 3 doesn't have it ? */

#  include <sys/wait.h>

#endif

/* Now see if we need to use sgtty, termio or termios. */

#ifdef _SCO

#  define _IBCS2 /* So we get struct winsize :-) */

#endif

#ifdef POSIX_TERMIOS

#  include <termios.h>

#else

#  ifdef HAVE_TERMIO_H

#    include <termios.h>

#  else

#    define _V7

#    ifdef HAVE_SGTTY_H

#      include <sgtty.h>

#    endif

#  endif

#endif

#ifdef HAVE_SYS_IOCTL_H 

#  include <sys/ioctl.h>

#endif

/* And more "standard" include files. */

#include <stdio.h>

#include <setjmp.h>

/* Be sure we know WEXITSTATUS and WTERMSIG */

#if !defined(_BSD43)

#  ifndef WEXITSTATUS

#    define WEXITSTATUS(s) (((s) >> 8) & 0377)

#  endif

#  ifndef WTERMSIG

#    define WTERMSIG(s) ((s) & 0177)

#  endif

#endif

/* Some ancient SysV systems don't define these */

#ifndef VMIN

#  define VMIN 4

#endif

#ifndef VTIME

#  define VTIME 5

#endif

#ifndef IUCLC

#  define IUCLC 0

#endif

#ifndef IXANY

#  define IXANY 0

#endif

/* Different names for the same beast. */

#ifndef TIOCMODG			/* BSD 4.3 */

#  ifdef TIOCMGET

#    define TIOCMODG TIOCMGET		/* Posix */

#  else

#    ifdef MCGETA

#      define TIOCMODG MCGETA		/* HP/UX */

#    endif

#  endif

#endif

#ifndef TIOCMODS

#  ifdef TIOCMSET

#    define TIOCMODS TIOCMSET

#  else

#    ifdef MCSETA

#      define TIOCMODS MCSETA

#    endif

#  endif

#endif

#ifndef TIOCM_CAR			/* BSD + Posix */

#  ifdef MDCD

#    define TIOCM_CAR MDCD		/* HP/UX */

#  endif

#endif

/* Define some thing that might not be there */

#ifndef TANDEM

#  define TANDEM 0

#endif

#ifndef BITS8

#  define BITS8 0

#endif

#ifndef PASS8

#  ifdef LLITOUT

#  define PASS8 LLITOUT

#  else

#  define PASS8 0

#  endif

#endif

#ifndef CRTSCTS

#  define CRTSCTS 0

#endif

/* If this is SysV without Posix, emulate Posix. */

#if defined(_SYSV)

#if !defined(_POSIX) || !defined(HAVE_TERMIOS_H)

#  define termios termio

#  ifndef TCSANOW

#    define TCSANOW 0

#  endif

#  define tcgetattr(fd, tty)        ioctl(fd, TCGETA, tty)

#  define tcsetattr(fd, flags, tty) ioctl(fd, TCSETA, tty)

#  define tcsendbreak(fd, len)      ioctl(fd, TCSBRK, 0)

#  define speed_t int

#  define cfsetispeed(xtty, xspd) \

		((xtty)->c_cflag = ((xtty)->c_cflag & ~CBAUD) | (xspd))

#  define cfsetospeed(tty, spd)

#endif

#endif

/* Redefine cfset{i,o}speed for Linux > 1.1.68 && libc < 4.5.21 */

#if defined (__GLIBC__) && defined(CBAUDEX)

#  undef cfsetispeed

#  undef cfsetospeed

#  define cfsetispeed(xtty, xspd) \

		((xtty)->c_cflag = ((xtty)->c_cflag & ~CBAUD) | (xspd))

#  define cfsetospeed(tty, spd)

#endif